HC

Ho CHING

ML Master Dynamic Limited: 1 patents #1 of 3Top 35%
Overall (2017): #399,647 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9658598 Hairspring for a time piece and hairspring design for concentricity — 2017-05-23